Analytical Quality Assurance (Aqa); Activating Aqa; Activating Aqa Using The Aqa Memochip; Activating Aqa Via The Menu Guide - wtw photolab S12 Operating Instructions Manual

8. Analytical Quality Assurance (AQA)

Analytical quality assurance (AQA) can be performed
in two steps:
AQA1 – Photometer monitoring
AQA2 – Total system monitoring with
standard solutions
The total system monitoring (AQA2) is a
method-specific check using standard solu-
tions.
If this is performed successfully, it also includes
photometer monitoring (AQA1).
See also part "General information" for further
information on Analytical Quality Assurance
(AQA).

8.1 Activating AQA

– To switch on the photometer, open the cover.

8.1.1 Activating AQA using the AQA MemoChip

– Place the AQA MemoChip in the recess on the
photometer.
The following display appears:

8.1.2 Activating AQA via the menu guide

1
– Press .
28
The AQA mode must be activated in the photometer.
In the delivery state it is switched off.
The AQA mode is activated:
by inserting the AQA MemoChip
– monitoring of the total system using standard
solutions (AQA2)
by using a menu to select
– monitoring of the photometer (AQA1)
– monitoring of the total system using standard
solutions (AQA2)
The action of placing the AQA MemoChip in the
recess directly activates the AQA2 check (see
section 8.3.4).
– Call up the meter setup submenu.
The meter setup submenu appears with the AQA func-
tions menu item preselected.
1
– Confirm with .